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Why use Mercury in thermometers?
Thermometers used to have Mercury in them because it is very temperature reactive and a liquid across most temperatures measured in everyday life. However, this practice has been discontinued due to the health risks associated with contact with mercury from broken thermometers; most analog thermometers today use colored ethanol as the measuring fluid.
Why you use mercury lamp instead of ordinary light or sodium lamp in constant deviation?
we use mercury lamp instead of ordinary lamp because ordinary lamp has many wavelengths when mercury lamp has single wavelength so in constant deviation we use only mercury lamp.
What metal is use in thermoter?
mercury
What you can use instead of mercury?
I think you can also use salt
URGENT why do you use mercury in barometers and not water?
At lower temperatures water will freeze and mercury will not.
What did Lydians invent that we use today?
Lydians have invented coins, in which we still use today. In fact, they were the first to mint(make) coins.
What did the Lydians invent that we use today?
Lydians have invented coins, in which we still use today. In fact, they were the first to mint(make) coins.
What are the coins and money used today?
there money they use today is called euro
What did the lydians invent that you still use today?
The Lydians are credited with inventing coin currency, which is still widely used today as a form of money and exchange. This innovation revolutionized trade and economics.
Which series of coins are presently in use?
Today in 2012 the series of coin that we presently use is the contemporary coins where coins are made up of copper+nickel (cupro-nickel alloy).
What are some of the ancient rome tools that you use today?
weapons weapons and coins
What are some uses for iron?
It is used as a metal, and it is used in the coins we use today.
What years were nickel coins used?
People in the US have been using nickel coins since 1866 (still in use today).
When were Mercury dimes made?
1916 to 1945. The coins were supposed to be called Liberty dimes but the winged cap on Liberty's head made her look like the Greek god Mercury. They were almost immediately nicknamed Mercury dimes and that's what they're called today.
How much is a 1935 US dime?
1935 Mercury Head dimes are common date coins. Most are only valued for the silver. Today it's $1.32.
What are coins today made of?
Coins today are typically made of a combination of metal alloys, such as copper, nickel, and zinc. Different denominations may have different compositions to ensure durability and cost-effectiveness. Some countries are also exploring alternative materials like polymer or composite materials for their coins.
Who is depicted on the mercury head coins?
Lady Liberty
